Official websites use .gov
Secure .gov websites use HTTPS
Multimedia driven stories and information about Defense Department programs.
Operational and administrative — an interactive look at the Navy's organizational structure.
From humanitarian missions like the Berlin Airlift to commanding the skies over Bosnia, Korea and Iraq, the Air Force has been a vital part of the U.S.'s ability to maintain global security. Aim high and fly, fight and win your way to a 100% score!
From fire team to Marine Corps — an interactive look at the Marine Corps' organizational structure.
From team to region — an interactive look at the Army's organizational structure.
With a simple and powerful motto, the Navy's USS New York demonstrates military might and is a symbol that the world will "Never Forget" the 9/11 attacks.
Do you know what to do when disaster strikes?
Once known as ''war dogs,'' military working dogs serve in all branches of the military to scout, detect and protect. How much do you know about these four-legged service members?
See how much you know about the largest amphibious assault in history, a turning point for the U.S. and Allied forces in World War II.
Founded by the Continental Congress on June 14, 1775, the Army is the oldest branch of America's armed forces. See if your knowledge of Army ranks and insignia holds up under fire!
Formed Oct. 13, 1775, the Navy is America's second-oldest military service. How deep is your knowledge of Navy ratings and ranks?